Grav: FlexDirectory::dynamicDataField() executes arbitrary callables from blueprint data with no validation

Summary A missing validation check in Grav's Flex framework lets an account holding nothing but an ordinary object-create permission on a single Flex directory execute arbitrary shell commands on the server. Any authenticated user with create or update rights on a Flex-based directory Flex Users,...

Duplicate Advisory: Grav: FlexDirectory::dynamicDataField() executes arbitrary callables from blueprint data with no validation

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-c4wf-2xxc-68qm. This link is maintained to preserve external references. Original Description Grav versions = 1.7.0 and before 2.0.9 contain a remote code execution vulnerability. FlexDirectory::dynamicDataField...